Continuity mistake: When he signs his name on the white sheet, his last day at the hab, he signs 'Watney' and underlines the name with the tail of the 'y'. Next shot where he walks away from that sheet, it's just a scribble signature.
Patti Bright
9th Dec 2015
The Martian (2015)
9th Dec 2015
The Martian (2015)
Continuity mistake: When he pulls the metal out of his stomach, the wound changes position slightly to the left and back to the right.